Skip to main content

Resources

Explore a library of home construction and renovation guidance and easily search through galleries containing hundreds of building science-related photos, drawings, videos, CAD files, case studies, and presentations.

Filter

View Library

Showing 553 - 576 of 639 results:

Image:

Wrong - Duct seams were sealed with regular duct tape which has failed to hold; seams should have been sealed with mastic or approved metal tape.

Wrong - Duct seams were sealed with regular duct tape which has failed to hold; seams should have been sealed with mastic or approved metal tape.
Image:

Wrong - Duct-duct joint is not sealed.

Wrong - Duct-duct joint is not sealed.
Image:

Wrong - Flex duct insulation is overly compressed in 3 ways; Zip-tie fastener is over the insualtion not under the insulation at the duct boot collar, duct turning radius is too tight, and support strap is too tight.

Wrong - Flex duct insulation is overly compressed in 3 ways; Zip-tie fastener is over the insualtion not under the insulation at the duct boot collar, duct turning radius is too tight, and support strap is too tight.
Image:

Wrong - Flex duct is improperly attached and sealed to duct boot.

Wrong - Flex duct is improperly attached and sealed to duct boot.
Image:

Wrong - Flex duct is prohibited for kitchen exhaust fans by the IRC.

Wrong - Flex duct is prohibited for kitchen exhaust fans by the IRC.
Image:

Wrong - Flex duct pinched by bracing

Wrong - Flex duct pinched by bracing
Image:

Wrong - Flex duct resting on floor compressing insulation and causing condensation

Wrong - Flex duct resting on floor compressing insulation and causing condensation
Image:

Wrong - Flex duct with sharp turn restricting air flow

Wrong - Flex duct with sharp turn restricting air flow
Image:

Wrong - Flex ducts are prohibited by the IRC for kitchen exhaust and, at 28 feet, this duct is too long to be effective.

Wrong - Flex ducts are prohibited by the IRC for kitchen exhaust and, at 28 feet, this duct is too long to be effective.
Image:

Wrong - Hole in duct is not sealed and duct joint to subfloor is not sealed.

Wrong - Hole in duct is not sealed and duct joint to subfloor is not sealed.
Image:

Wrong - Hole in duct needs to be sealed.

Wrong - Hole in duct needs to be sealed.
Image:

Wrong - If this kitchen exhaust duct had been extended a few inches, at least one bend could have been eliminated.

Wrong - If this kitchen exhaust duct had been extended a few inches, at least one bend could have been eliminated.
Image:

Wrong - Kitchen exhaust ducts are prohibited from terminating within 3 feet of an operable window or near gable vents.

Wrong - Kitchen exhaust ducts are prohibited from terminating within 3 feet of an operable window or near gable vents.
Image:

Wrong - Kitchen exhaust fans must be located directly over the stove top to be effective at capturing and removing cooking pollutants.

Wrong - Kitchen exhaust fans must be located directly over the stove top to be effective at capturing and removing cooking pollutants.
Image:

Wrong - Metal tape is poorly adhered and metal duct and duct-to-subfloor seam is not sealed.

Wrong - Metal tape is poorly adhered and metal duct and duct-to-subfloor seam is not sealed.
Image:

Wrong - Not enough straps were used to hang this flex duct so it is sagging, restricting air flow

Wrong - Not enough straps were used to hang this flex duct so it is sagging, restricting air flow
Image:

Wrong - Penetrations in walls for ducts should be air sealed to reduce air leakage.

Wrong - Penetrations in walls for ducts should be air sealed to reduce air leakage.
Image:

Wrong - Recessed can light is compressing duct work.

Wrong - Recessed can light is compressing duct work.
Image:

Wrong - Seam in duct boot is not sealed.

Wrong - Seam in duct boot is not sealed.
Image:

Wrong - Seam in round metal duct is not sealed.

Wrong - Seam in round metal duct is not sealed.
Image:

Wrong - Seams and holes in duct boot need to be sealed.

Wrong - Seams and holes in duct boot need to be sealed.
Image:

Wrong - Seams at duct elbow are not fully sealed with mastic.

Wrong - Seams at duct elbow are not fully sealed with mastic.
Image:

Wrong - Seams in metal ducting are not sealed.

Wrong - Seams in metal ducting are not sealed.
Image:

Wrong - The furnace intake and exhaust are too close to each other and are missing rodent screening.

Wrong - The furnace intake and exhaust are too close to each other and are missing rodent screening.